./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:51:01,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:51:01,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:51:01,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:51:01,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:51:01,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:51:01,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:51:01,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:51:01,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:51:01,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:51:01,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:51:01,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:51:01,313 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:51:01,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:51:01,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:51:01,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:51:01,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:51:01,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:51:01,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:51:01,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:51:01,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:51:01,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:51:01,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:51:01,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:51:01,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:51:01,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:51:01,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:51:01,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:51:01,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:01,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:51:01,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:51:01,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:51:01,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:51:01,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:51:01,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:51:01,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:51:01,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:51:01,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:51:01,325 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:51:01,325 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b [2023-11-19 07:51:01,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:51:01,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:51:01,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:51:01,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:51:01,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:51:01,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-19 07:51:04,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:51:05,092 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:51:05,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-19 07:51:05,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data/2f97fc830/b493777f362844f8af7f6385077ba735/FLAG9f044a96e [2023-11-19 07:51:05,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data/2f97fc830/b493777f362844f8af7f6385077ba735 [2023-11-19 07:51:05,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:51:05,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:51:05,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:05,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:51:05,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:51:05,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695c8544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05, skipping insertion in model container [2023-11-19 07:51:05,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:51:05,420 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-19 07:51:05,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:05,536 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:51:05,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-19 07:51:05,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:05,615 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:51:05,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05 WrapperNode [2023-11-19 07:51:05,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:05,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:05,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:51:05,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:51:05,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,709 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-19 07:51:05,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:05,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:51:05,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:51:05,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:51:05,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:51:05,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:51:05,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:51:05,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:51:05,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (1/1) ... [2023-11-19 07:51:05,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:05,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:05,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:05,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:51:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:51:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:51:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:51:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:51:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:51:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:51:06,021 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:51:06,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:51:06,697 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:51:06,708 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:51:06,709 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:51:06,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:06 BoogieIcfgContainer [2023-11-19 07:51:06,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:51:06,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:51:06,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:51:06,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:51:06,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:05" (1/3) ... [2023-11-19 07:51:06,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532fe321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:06, skipping insertion in model container [2023-11-19 07:51:06,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:05" (2/3) ... [2023-11-19 07:51:06,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532fe321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:06, skipping insertion in model container [2023-11-19 07:51:06,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:06" (3/3) ... [2023-11-19 07:51:06,729 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-19 07:51:06,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:51:06,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:51:06,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:51:06,825 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35099d51, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:51:06,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:51:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:51:06,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:06,853 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:06,854 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:06,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:06,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1674220312, now seen corresponding path program 1 times [2023-11-19 07:51:06,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:06,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100581237] [2023-11-19 07:51:06,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:06,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:07,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100581237] [2023-11-19 07:51:07,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:51:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418291374] [2023-11-19 07:51:07,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:07,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:07,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:07,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:07,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:51:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:07,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:51:07,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-19 07:51:07,494 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:07,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418291374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:07,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:07,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:07,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984226228] [2023-11-19 07:51:07,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:07,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:51:07,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:07,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:51:07,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:07,555 INFO L87 Difference]: Start difference. First operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:07,586 INFO L93 Difference]: Finished difference Result 135 states and 229 transitions. [2023-11-19 07:51:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:51:07,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2023-11-19 07:51:07,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:07,596 INFO L225 Difference]: With dead ends: 135 [2023-11-19 07:51:07,596 INFO L226 Difference]: Without dead ends: 65 [2023-11-19 07:51:07,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:07,604 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:07,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-19 07:51:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-19 07:51:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 101 transitions. [2023-11-19 07:51:07,653 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 101 transitions. Word has length 113 [2023-11-19 07:51:07,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:07,654 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 101 transitions. [2023-11-19 07:51:07,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-19 07:51:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:51:07,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:07,658 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:07,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:07,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:07,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:07,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2044782116, now seen corresponding path program 1 times [2023-11-19 07:51:07,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:07,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114445556] [2023-11-19 07:51:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:07,952 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:07,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269346968] [2023-11-19 07:51:07,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:07,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:07,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:51:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:51:08,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-19 07:51:08,302 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 07:51:08,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:08,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114445556] [2023-11-19 07:51:08,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:08,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269346968] [2023-11-19 07:51:08,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269346968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:51:08,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:08,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 07:51:08,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136993310] [2023-11-19 07:51:08,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:08,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:51:08,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:08,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:51:08,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:51:08,465 INFO L87 Difference]: Start difference. First operand 65 states and 101 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:51:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:08,661 INFO L93 Difference]: Finished difference Result 135 states and 206 transitions. [2023-11-19 07:51:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:51:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 113 [2023-11-19 07:51:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:08,665 INFO L225 Difference]: With dead ends: 135 [2023-11-19 07:51:08,665 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 07:51:08,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:51:08,668 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 72 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:08,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 199 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:51:08,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 07:51:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-11-19 07:51:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2023-11-19 07:51:08,688 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 113 [2023-11-19 07:51:08,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:08,689 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2023-11-19 07:51:08,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:51:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2023-11-19 07:51:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:51:08,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:08,693 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:08,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:08,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:08,912 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:08,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash 50637410, now seen corresponding path program 1 times [2023-11-19 07:51:08,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:08,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114571541] [2023-11-19 07:51:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:08,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:08,964 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400643913] [2023-11-19 07:51:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:08,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:08,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:08,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:08,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:51:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:09,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:51:09,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 07:51:09,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 07:51:09,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:09,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114571541] [2023-11-19 07:51:09,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:09,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400643913] [2023-11-19 07:51:09,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400643913] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:51:09,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:09,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 07:51:09,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108573310] [2023-11-19 07:51:09,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:09,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:51:09,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:09,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:51:09,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:51:09,460 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 07:51:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:09,746 INFO L93 Difference]: Finished difference Result 155 states and 228 transitions. [2023-11-19 07:51:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:51:09,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 113 [2023-11-19 07:51:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:09,753 INFO L225 Difference]: With dead ends: 155 [2023-11-19 07:51:09,754 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 07:51:09,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:51:09,762 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 165 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:09,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 213 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:51:09,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 07:51:09,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2023-11-19 07:51:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 59 states have internal predecessors, (77), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:51:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2023-11-19 07:51:09,798 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 113 [2023-11-19 07:51:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:09,801 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2023-11-19 07:51:09,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 07:51:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2023-11-19 07:51:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 07:51:09,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:09,811 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:09,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:10,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:10,024 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:10,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:10,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1459205299, now seen corresponding path program 1 times [2023-11-19 07:51:10,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:10,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668842901] [2023-11-19 07:51:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:10,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:10,065 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:10,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90789199] [2023-11-19 07:51:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:10,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:10,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:10,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:10,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:51:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:10,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:51:10,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 07:51:10,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:51:10,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:10,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668842901] [2023-11-19 07:51:10,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:10,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90789199] [2023-11-19 07:51:10,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90789199] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:51:10,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:51:10,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 07:51:10,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95779709] [2023-11-19 07:51:10,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:10,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:51:10,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:10,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:51:10,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:51:10,739 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:10,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:10,851 INFO L93 Difference]: Finished difference Result 182 states and 263 transitions. [2023-11-19 07:51:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:51:10,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 114 [2023-11-19 07:51:10,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:10,856 INFO L225 Difference]: With dead ends: 182 [2023-11-19 07:51:10,856 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:51:10,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:51:10,863 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 46 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:10,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 241 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:51:10,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:51:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 96. [2023-11-19 07:51:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 71 states have internal predecessors, (95), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:51:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2023-11-19 07:51:10,900 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 114 [2023-11-19 07:51:10,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:10,901 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2023-11-19 07:51:10,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:10,902 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2023-11-19 07:51:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 07:51:10,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:10,905 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:10,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:11,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:11,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:11,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:11,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1326710128, now seen corresponding path program 1 times [2023-11-19 07:51:11,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:11,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566897433] [2023-11-19 07:51:11,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:11,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:11,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:11,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389561741] [2023-11-19 07:51:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:11,206 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:11,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:51:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:11,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:11,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:51:11,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:11,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:11,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566897433] [2023-11-19 07:51:11,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:11,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389561741] [2023-11-19 07:51:11,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389561741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:11,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:51:11,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056253959] [2023-11-19 07:51:11,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:11,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:51:11,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:11,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:51:11,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:11,428 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:11,485 INFO L93 Difference]: Finished difference Result 260 states and 377 transitions. [2023-11-19 07:51:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:51:11,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 115 [2023-11-19 07:51:11,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:11,491 INFO L225 Difference]: With dead ends: 260 [2023-11-19 07:51:11,491 INFO L226 Difference]: Without dead ends: 178 [2023-11-19 07:51:11,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:11,493 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 86 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:11,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 250 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:11,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-19 07:51:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 158. [2023-11-19 07:51:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 115 states have internal predecessors, (148), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 07:51:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 224 transitions. [2023-11-19 07:51:11,546 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 224 transitions. Word has length 115 [2023-11-19 07:51:11,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:11,548 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 224 transitions. [2023-11-19 07:51:11,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 224 transitions. [2023-11-19 07:51:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 07:51:11,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:11,550 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:11,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:11,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:11,772 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:11,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2006768498, now seen corresponding path program 1 times [2023-11-19 07:51:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:11,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517172175] [2023-11-19 07:51:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:11,804 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:11,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343792204] [2023-11-19 07:51:11,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:11,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:11,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:11,805 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:11,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:51:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:11,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:51:11,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 32 proven. 84 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 07:51:12,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 07:51:13,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:13,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517172175] [2023-11-19 07:51:13,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:13,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343792204] [2023-11-19 07:51:13,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343792204] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:51:13,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:13,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2023-11-19 07:51:13,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817595234] [2023-11-19 07:51:13,036 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:13,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:51:13,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:13,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:51:13,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:51:13,038 INFO L87 Difference]: Start difference. First operand 158 states and 224 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-19 07:51:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:13,268 INFO L93 Difference]: Finished difference Result 334 states and 454 transitions. [2023-11-19 07:51:13,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:51:13,270 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 5 states have call successors, (32) Word has length 115 [2023-11-19 07:51:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:13,272 INFO L225 Difference]: With dead ends: 334 [2023-11-19 07:51:13,272 INFO L226 Difference]: Without dead ends: 190 [2023-11-19 07:51:13,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=160, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:51:13,275 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 147 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:13,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 183 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:51:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-19 07:51:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 182. [2023-11-19 07:51:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 131 states have (on average 1.251908396946565) internal successors, (164), 133 states have internal predecessors, (164), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 07:51:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2023-11-19 07:51:13,314 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 115 [2023-11-19 07:51:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:13,314 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2023-11-19 07:51:13,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-19 07:51:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2023-11-19 07:51:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 07:51:13,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:13,317 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:13,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:13,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:13,544 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:13,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 12623792, now seen corresponding path program 1 times [2023-11-19 07:51:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079101589] [2023-11-19 07:51:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:13,576 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:13,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841560120] [2023-11-19 07:51:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:13,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:13,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:13,578 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:13,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:51:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:51:13,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 07:51:13,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 07:51:14,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:14,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079101589] [2023-11-19 07:51:14,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:14,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841560120] [2023-11-19 07:51:14,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841560120] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:51:14,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:14,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-19 07:51:14,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621476653] [2023-11-19 07:51:14,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:14,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:51:14,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:51:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:51:14,306 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-19 07:51:15,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:15,570 INFO L93 Difference]: Finished difference Result 617 states and 818 transitions. [2023-11-19 07:51:15,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-19 07:51:15,571 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 115 [2023-11-19 07:51:15,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:15,577 INFO L225 Difference]: With dead ends: 617 [2023-11-19 07:51:15,577 INFO L226 Difference]: Without dead ends: 457 [2023-11-19 07:51:15,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=258, Invalid=672, Unknown=0, NotChecked=0, Total=930 [2023-11-19 07:51:15,581 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 386 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:15,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 537 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:51:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-11-19 07:51:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 199. [2023-11-19 07:51:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 148 states have (on average 1.2702702702702702) internal successors, (188), 150 states have internal predecessors, (188), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 07:51:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 264 transitions. [2023-11-19 07:51:15,640 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 264 transitions. Word has length 115 [2023-11-19 07:51:15,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:15,641 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 264 transitions. [2023-11-19 07:51:15,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-19 07:51:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 264 transitions. [2023-11-19 07:51:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 07:51:15,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:15,645 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:15,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:15,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:15,863 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:15,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash -998493458, now seen corresponding path program 1 times [2023-11-19 07:51:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:15,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621487573] [2023-11-19 07:51:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:15,907 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:15,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561277041] [2023-11-19 07:51:15,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:15,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:15,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:15,910 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:15,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:51:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:51:16,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 253 proven. 24 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-11-19 07:51:16,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:51:16,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:16,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621487573] [2023-11-19 07:51:16,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:16,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561277041] [2023-11-19 07:51:16,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561277041] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:51:16,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:51:16,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 07:51:16,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984256549] [2023-11-19 07:51:16,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:16,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:51:16,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:16,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:51:16,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:51:16,306 INFO L87 Difference]: Start difference. First operand 199 states and 264 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:16,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:16,390 INFO L93 Difference]: Finished difference Result 360 states and 471 transitions. [2023-11-19 07:51:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:51:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 115 [2023-11-19 07:51:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:16,395 INFO L225 Difference]: With dead ends: 360 [2023-11-19 07:51:16,395 INFO L226 Difference]: Without dead ends: 183 [2023-11-19 07:51:16,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:51:16,397 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 130 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:16,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 162 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:16,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-19 07:51:16,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 161. [2023-11-19 07:51:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.1932773109243697) internal successors, (142), 121 states have internal predecessors, (142), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 07:51:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 200 transitions. [2023-11-19 07:51:16,429 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 200 transitions. Word has length 115 [2023-11-19 07:51:16,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:16,430 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 200 transitions. [2023-11-19 07:51:16,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 200 transitions. [2023-11-19 07:51:16,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 07:51:16,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:16,432 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:16,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:16,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:16,645 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:16,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash -14150518, now seen corresponding path program 1 times [2023-11-19 07:51:16,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:16,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55564768] [2023-11-19 07:51:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:16,670 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:16,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300350473] [2023-11-19 07:51:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:16,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:16,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:16,671 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:16,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:51:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:16,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:51:16,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:51:16,979 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:16,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55564768] [2023-11-19 07:51:16,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300350473] [2023-11-19 07:51:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300350473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:16,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:16,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118186385] [2023-11-19 07:51:16,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:16,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:51:16,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:16,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:51:16,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:16,982 INFO L87 Difference]: Start difference. First operand 161 states and 200 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:17,013 INFO L93 Difference]: Finished difference Result 300 states and 374 transitions. [2023-11-19 07:51:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:51:17,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 116 [2023-11-19 07:51:17,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:17,015 INFO L225 Difference]: With dead ends: 300 [2023-11-19 07:51:17,015 INFO L226 Difference]: Without dead ends: 161 [2023-11-19 07:51:17,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:51:17,017 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:17,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:17,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-19 07:51:17,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2023-11-19 07:51:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.1764705882352942) internal successors, (140), 121 states have internal predecessors, (140), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 07:51:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 198 transitions. [2023-11-19 07:51:17,068 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 198 transitions. Word has length 116 [2023-11-19 07:51:17,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:17,068 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 198 transitions. [2023-11-19 07:51:17,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:17,068 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2023-11-19 07:51:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 07:51:17,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:17,070 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:17,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:17,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:17,290 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:17,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash -675149785, now seen corresponding path program 1 times [2023-11-19 07:51:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733468073] [2023-11-19 07:51:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:17,314 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:17,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264050263] [2023-11-19 07:51:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:17,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:17,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:17,315 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:17,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:51:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:17,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:51:17,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:51:17,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:17,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:17,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733468073] [2023-11-19 07:51:17,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:51:17,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264050263] [2023-11-19 07:51:17,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264050263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:17,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:17,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:51:17,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947052411] [2023-11-19 07:51:17,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:17,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:51:17,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:17,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:51:17,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:51:17,546 INFO L87 Difference]: Start difference. First operand 161 states and 198 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:17,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:17,723 INFO L93 Difference]: Finished difference Result 403 states and 497 transitions. [2023-11-19 07:51:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:51:17,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2023-11-19 07:51:17,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:17,726 INFO L225 Difference]: With dead ends: 403 [2023-11-19 07:51:17,726 INFO L226 Difference]: Without dead ends: 264 [2023-11-19 07:51:17,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:51:17,727 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 240 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:17,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 226 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:51:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-19 07:51:17,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 179. [2023-11-19 07:51:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 136 states have (on average 1.1764705882352942) internal successors, (160), 138 states have internal predecessors, (160), 29 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 07:51:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 218 transitions. [2023-11-19 07:51:17,761 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 218 transitions. Word has length 117 [2023-11-19 07:51:17,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:17,763 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 218 transitions. [2023-11-19 07:51:17,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:51:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 218 transitions. [2023-11-19 07:51:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 07:51:17,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:17,765 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:17,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:17,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:51:17,965 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:17,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:17,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1514608673, now seen corresponding path program 1 times [2023-11-19 07:51:17,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:17,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823724233] [2023-11-19 07:51:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:17,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:17,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:51:17,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799426043] [2023-11-19 07:51:17,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:17,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:51:17,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:17,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:51:18,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:51:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:51:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:51:18,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:51:18,503 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:51:18,504 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:51:18,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:18,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:51:18,730 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:18,735 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:51:18,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:51:18 BoogieIcfgContainer [2023-11-19 07:51:18,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:51:18,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:51:18,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:51:18,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:51:18,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:06" (3/4) ... [2023-11-19 07:51:18,894 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:51:18,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:51:18,896 INFO L158 Benchmark]: Toolchain (without parser) took 13751.37ms. Allocated memory was 130.0MB in the beginning and 220.2MB in the end (delta: 90.2MB). Free memory was 93.9MB in the beginning and 74.6MB in the end (delta: 19.3MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2023-11-19 07:51:18,897 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:51:18,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.68ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 77.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:51:18,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.06ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 72.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:51:18,898 INFO L158 Benchmark]: Boogie Preprocessor took 88.84ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:51:18,899 INFO L158 Benchmark]: RCFGBuilder took 918.30ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 70.1MB in the beginning and 139.9MB in the end (delta: -69.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-19 07:51:18,900 INFO L158 Benchmark]: TraceAbstraction took 12169.34ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 139.9MB in the beginning and 74.6MB in the end (delta: 65.3MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. [2023-11-19 07:51:18,900 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 220.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:51:18,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.68ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 77.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.06ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 72.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.84ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 918.30ms. Allocated memory was 130.0MB in the beginning and 182.5MB in the end (delta: 52.4MB). Free memory was 70.1MB in the beginning and 139.9MB in the end (delta: -69.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12169.34ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 139.9MB in the beginning and 74.6MB in the end (delta: 65.3MB). Peak memory consumption was 103.8MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 220.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryArithmeticFLOAToperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 200; [L23] unsigned short int var_1_5 = 42139; [L24] unsigned short int var_1_7 = 1; [L25] double var_1_9 = 0.1; [L26] float var_1_12 = 10000000000.5; [L27] float var_1_13 = 255.6; [L28] float var_1_14 = 128.2; [L29] signed long int var_1_15 = 500; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; [L33] signed char var_1_19 = -5; [L34] signed char var_1_20 = -1; [L35] signed char var_1_21 = 8; [L36] float var_1_22 = 3.75; [L37] signed short int var_1_23 = 10; [L38] unsigned long int var_1_24 = 8; [L39] unsigned char var_1_25 = 5; [L40] unsigned char var_1_26 = 50; [L41] float var_1_27 = 4.5; [L42] unsigned short int var_1_28 = 5; [L43] unsigned long int var_1_29 = 50; [L44] double var_1_30 = 3.5; [L45] unsigned char var_1_31 = 1; [L46] float last_1_var_1_12 = 10000000000.5; [L47] signed short int last_1_var_1_23 = 10; [L48] unsigned long int last_1_var_1_24 = 8; [L49] unsigned char last_1_var_1_25 = 5; [L50] unsigned long int last_1_var_1_29 = 50; [L51] unsigned char last_1_var_1_31 = 1; VAL [isInitial=0, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L183] isInitial = 1 [L184] FCALL initially() [L185] int k_loop; [L186] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L186] COND TRUE k_loop < 1 [L187] CALL updateLastVariables() [L171] last_1_var_1_12 = var_1_12 [L172] last_1_var_1_23 = var_1_23 [L173] last_1_var_1_24 = var_1_24 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_29 = var_1_29 [L176] last_1_var_1_31 = var_1_31 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L187] RET updateLastVariables() [L188] CALL updateVariables() [L144] var_1_5 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_5 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L145] RET assume_abort_if_not(var_1_5 >= 32767) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L146] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L146] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L148] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L149] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L149] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L151] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L153] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L154] var_1_17 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L155] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L156] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L156] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L157] var_1_18 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L158] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L159] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L159] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L160] var_1_20 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_20 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L161] RET assume_abort_if_not(var_1_20 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L162] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L162] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L163] var_1_21 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L164] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L165] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L165] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L166] var_1_26 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L167] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L168] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L168] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L188] RET updateVariables() [L189] CALL step() [L55] unsigned short int stepLocal_1 = var_1_5; [L56] unsigned long int stepLocal_0 = (last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5); VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=2] [L57] COND FALSE !((last_1_var_1_12 / var_1_9) != last_1_var_1_12) [L76] var_1_7 = var_1_5 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L78] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L81] COND TRUE \read(var_1_17) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L82] COND FALSE !(((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L86] var_1_19 = ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) [L87] var_1_30 = var_1_14 [L88] var_1_31 = var_1_17 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L89] COND FALSE !(var_1_13 != 4.5f) [L96] var_1_16 = (var_1_18 || (! var_1_17)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L98] COND TRUE var_1_16 || var_1_17 [L99] var_1_22 = ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L101] COND TRUE \read(var_1_31) [L102] var_1_25 = (4 + 8) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L106] COND TRUE var_1_13 != var_1_22 [L107] var_1_28 = var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L111] COND FALSE !(\read(var_1_16)) [L114] var_1_1 = (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1))))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L116] unsigned short int stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L117] COND TRUE stepLocal_3 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L118] COND TRUE ! var_1_16 [L119] var_1_15 = var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L122] COND FALSE !(var_1_16 || var_1_18) [L125] var_1_24 = ((((2u) > (100u)) ? (2u) : (100u))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L127] signed long int stepLocal_2 = ((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1); VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L128] COND TRUE stepLocal_2 < var_1_7 [L129] var_1_12 = (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L131] COND TRUE var_1_1 != var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L132] COND TRUE var_1_23 >= -128 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L133] COND FALSE !(var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L136] var_1_27 = ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L189] RET step() [L190] CALL, EXPR property() [L179-L180] return ((((((((((((((var_1_16 ? (var_1_1 == ((unsigned short int) (((((var_1_25 + var_1_25)) < ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) ? ((var_1_25 + var_1_25)) : ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1)))))))) && (((last_1_var_1_12 / var_1_9) != last_1_var_1_12) ? ((var_1_9 >= last_1_var_1_12) ? (var_1_7 == ((unsigned short int) last_1_var_1_25)) : ((var_1_5 <= last_1_var_1_25) ? ((last_1_var_1_25 < ((last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5))) ? (last_1_var_1_31 ? (var_1_7 == ((unsigned short int) 5)) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25)))) : (var_1_7 == ((unsigned short int) var_1_5)))) && (((((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1)) < var_1_7) ? (var_1_12 == ((float) (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))))) : 1)) && ((var_1_5 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7)))) ? ((! var_1_16) ? (var_1_15 == ((signed long int) var_1_25)) : 1) : 1)) && ((var_1_13 != 4.5f) ? (var_1_31 ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) (! 0)))) : (var_1_16 == ((unsigned char) (var_1_18 || (! var_1_17)))))) && (var_1_19 == ((signed char) ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))) && ((var_1_16 || var_1_17) ? (var_1_22 == ((float) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))))) : 1)) && (var_1_17 ? ((((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) ? (var_1_23 == ((signed short int) var_1_20)) : 1) : 1)) && ((var_1_16 || var_1_18) ? (var_1_24 == ((unsigned long int) ((((last_1_var_1_24) > (var_1_25)) ? (last_1_var_1_24) : (var_1_25))))) : (var_1_24 == ((unsigned long int) ((((2u) > (100u)) ? (2u) : (100u))))))) && (var_1_31 ? (var_1_25 == ((unsigned char) (4 + 8))) : (var_1_25 == ((unsigned char) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) && ((var_1_1 != var_1_25) ? ((var_1_23 >= -128) ? ((var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_27 == ((float) (var_1_13 - (99999.4f + 9.999999999125E9f)))) : (var_1_27 == ((float) ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13)))))) : 1) : (var_1_27 == ((float) var_1_14)))) && ((var_1_13 != var_1_22) ? (var_1_28 == ((unsigned short int) var_1_25)) : (var_1_28 == ((unsigned short int) (var_1_5 - 10))))) && (var_1_18 ? (var_1_29 == ((unsigned long int) (((((var_1_7 + 100000000u)) > (var_1_26)) ? ((var_1_7 + 100000000u)) : (var_1_26))))) : 1)) && (var_1_30 == ((double) var_1_14))) && (var_1_31 == ((unsigned char) var_1_17)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=0, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=32767, var_1_7=32767, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 11, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1315 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1299 mSDsluCounter, 2206 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1179 mSDsCounter, 221 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 977 IncrementalHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 221 mSolverCounterUnsat, 1027 mSDtfsCounter, 977 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1859 GetRequests, 1772 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=7, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1376 NumberOfCodeBlocks, 1376 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1815 ConstructedInterpolants, 0 QuantifiedInterpolants, 5783 SizeOfPredicates, 21 NumberOfNonLiveVariables, 3267 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 7302/7680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:51:18,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:51:21,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:51:21,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:51:21,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:51:21,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:51:21,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:51:21,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:51:21,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:51:21,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:51:21,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:51:21,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:51:21,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:51:21,920 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:51:21,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:51:21,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:51:21,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:51:21,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:51:21,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:51:21,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:51:21,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:51:21,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:51:21,925 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:51:21,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:51:21,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:51:21,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:51:21,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:51:21,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:51:21,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:51:21,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:51:21,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:51:21,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:21,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:51:21,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:51:21,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:51:21,931 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:51:21,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:51:21,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:51:21,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:51:21,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:51:21,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:51:21,933 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:51:21,933 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:51:21,933 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b [2023-11-19 07:51:22,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:51:22,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:51:22,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:51:22,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:51:22,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:51:22,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-19 07:51:25,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:51:26,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:51:26,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-19 07:51:26,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data/dc314a645/deb07fc624d64c73bebe3919324366bb/FLAGa7a6a83cc [2023-11-19 07:51:26,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/data/dc314a645/deb07fc624d64c73bebe3919324366bb [2023-11-19 07:51:26,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:51:26,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:51:26,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:26,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:51:26,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:51:26,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ecc2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26, skipping insertion in model container [2023-11-19 07:51:26,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:51:26,408 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-19 07:51:26,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:26,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:51:26,563 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-19 07:51:26,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:51:26,669 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:51:26,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26 WrapperNode [2023-11-19 07:51:26,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:51:26,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:26,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:51:26,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:51:26,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,744 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-19 07:51:26,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:26,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:51:26,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:51:26,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:51:26,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:51:26,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:51:26,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:51:26,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:51:26,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (1/1) ... [2023-11-19 07:51:26,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:26,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:26,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:26,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:51:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:51:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:51:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:51:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:51:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:51:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:51:27,114 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:51:27,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:51:35,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:51:35,374 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:51:35,374 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:51:35,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:35 BoogieIcfgContainer [2023-11-19 07:51:35,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:51:35,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:51:35,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:51:35,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:51:35,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:51:26" (1/3) ... [2023-11-19 07:51:35,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7bed18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:35, skipping insertion in model container [2023-11-19 07:51:35,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:51:26" (2/3) ... [2023-11-19 07:51:35,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7bed18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:35, skipping insertion in model container [2023-11-19 07:51:35,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:35" (3/3) ... [2023-11-19 07:51:35,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-19 07:51:35,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:51:35,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:51:35,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:51:35,490 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6fc40dd4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:51:35,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:51:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:51:35,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:35,512 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:35,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:35,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:35,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1674220312, now seen corresponding path program 1 times [2023-11-19 07:51:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:35,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95910513] [2023-11-19 07:51:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:35,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:35,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:35,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:51:35,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:51:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:36,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:51:36,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-11-19 07:51:36,820 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:51:36,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:36,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95910513] [2023-11-19 07:51:36,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95910513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:36,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:36,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:51:36,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28412675] [2023-11-19 07:51:36,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:36,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:51:36,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:36,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:51:36,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:36,869 INFO L87 Difference]: Start difference. First operand has 69 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:36,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:36,904 INFO L93 Difference]: Finished difference Result 135 states and 229 transitions. [2023-11-19 07:51:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:51:36,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2023-11-19 07:51:36,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:36,916 INFO L225 Difference]: With dead ends: 135 [2023-11-19 07:51:36,916 INFO L226 Difference]: Without dead ends: 65 [2023-11-19 07:51:36,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:51:36,924 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:36,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:51:36,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-19 07:51:36,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-19 07:51:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 101 transitions. [2023-11-19 07:51:37,012 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 101 transitions. Word has length 113 [2023-11-19 07:51:37,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:37,013 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 101 transitions. [2023-11-19 07:51:37,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:51:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-19 07:51:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:51:37,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:37,021 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:37,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:37,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:37,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:37,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2044782116, now seen corresponding path program 1 times [2023-11-19 07:51:37,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:37,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641314118] [2023-11-19 07:51:37,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:37,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:51:37,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:51:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:38,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:51:38,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-19 07:51:39,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 07:51:41,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:41,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641314118] [2023-11-19 07:51:41,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641314118] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:51:41,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:41,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 07:51:41,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694109007] [2023-11-19 07:51:41,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:41,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:51:41,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:41,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:51:41,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:51:41,403 INFO L87 Difference]: Start difference. First operand 65 states and 101 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:51:45,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:51:47,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:51:49,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:51:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:49,837 INFO L93 Difference]: Finished difference Result 135 states and 206 transitions. [2023-11-19 07:51:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:51:49,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 113 [2023-11-19 07:51:49,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:49,998 INFO L225 Difference]: With dead ends: 135 [2023-11-19 07:51:49,999 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 07:51:50,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:51:50,002 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 72 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:50,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 198 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-11-19 07:51:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 07:51:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-11-19 07:51:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:51:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2023-11-19 07:51:50,025 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 113 [2023-11-19 07:51:50,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:50,029 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2023-11-19 07:51:50,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:51:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2023-11-19 07:51:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:51:50,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:50,035 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:50,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:51:50,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:50,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:50,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:50,248 INFO L85 PathProgramCache]: Analyzing trace with hash 50637410, now seen corresponding path program 1 times [2023-11-19 07:51:50,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:51:50,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841741147] [2023-11-19 07:51:50,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:50,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:51:50,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:51:50,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:51:50,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00adb0dc-e042-44d0-b22a-1b938105af61/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:51:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:51,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:51:51,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:51:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 07:51:53,112 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:51:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 07:51:54,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:51:54,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841741147] [2023-11-19 07:51:54,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841741147] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:51:54,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:51:54,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 07:51:54,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184227418] [2023-11-19 07:51:54,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:51:54,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:51:54,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:51:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:51:54,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:51:54,506 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)